13. [aqueous Solutions] Practice
9 Questions
| Total Attempts: 69
![13. [aqueous Solutions] Practice](https://www.sciencegeek.net/Chemistry/taters/graphics/solubility.gif "13. [aqueous Solutions] Practice")
Questions and Answers
- 1.a.) Why doesn't vegetable oil dissolve in water?
- A.
Water is a polar molecule while oil is nonpolar.
- B.
Water is a nonpolar molecule while oil is polar.
- C.
Both molecules are nonpolar.
- D.
Both molecules are polar.
- 2.b.) To help dissolve a solute, we can add heat. This tells us that the process of dissolving a solute is...
- A.
Endothermic.
- B.
Exothermic.
- C.
Isothermic.
- 3.c.) Which of the following is the BEST electrolyte?
- A.
Salt water
- B.
Sugar water
- C.
Pure water
- D.
Carbonated water
- 4.D.) Which of the following happens when salt is added to water?
- A.
The boiling point increases.
- B.
The freezing point decreases.
- C.
The vapor pressure decreases.
- D.
All of the above.
- 5.
![e.) According to the solubility curve shown here, how many grams of sodium chloride could you dissolve in 100 mL of water at 10 degrees?
- ProProfs]( "e.) According to the solubility curve shown here, how many grams of sodium chloride could you dissolve in 100 mL of water at 10 degrees?")
e.) According to the solubility curve shown here, how many grams of sodium chloride could you dissolve in 100 mL of water at 10 degrees?- A.
35 g
- B.
10 g
- C.
30 g
- D.
80 g
- 6.
![f.) Tom dissolves 20 grams of potassium chloride in 100 mL of water at 30 degrees. According to the solubility curve, this solution can best be described as...
- ProProfs]( "f.) Tom dissolves 20 grams of potassium chloride in 100 mL of water at 30 degrees. According to the solubility curve, this solution can best be described as...")
f.) Tom dissolves 20 grams of potassium chloride in 100 mL of water at 30 degrees. According to the solubility curve, this solution can best be described as...- A.
Unsaturated.
- B.
Saturated.
- C.
Supersaturated.
- 7.g.) If I dissolve 20 grams of sodium chloride in 100 mL of water, what is the concentration of my solution?
- A.
5 M
- B.
0.2 M
- C.
0.34 M
- D.
3.4 M
- 8.h.) If Harriet wants to create 250 mL of a 0.5 M CO2 solution, how many grams of CO2 must she dissolve?
- A.
125 g
- B.
2.8 g
- C.
0.55 g
- D.
0.125 g
- 9.i.) 200 mL of water were added to 150 mL of a 2 M Kool Aid solution. What is the new concentration?
- A.
0.86 M
- B.
1.5 M
- C.
0.01 M
- D.
2.7 M
Questions: 9 | Attempts: 7727 | Last updated: Jun 22, 2020
-
Sample QuestionWhen a substance is dissolved in a liquid, there is not necessarily a chemical reaction. The substances may form a __________________ instead.
In chemistry, a solution is a special type of homogeneous mixture composed of two or more substances. In such a mixture, a solute is a substance dissolved in another substance, known as a solvent. Are you a chemistry student?...
Questions: 7 | Attempts: 6152 | Last updated: May 5, 2021
-
Sample QuestionWhich of these actions will cause more sugar to dissolve in a saturated sugar water solution? I. Add more sugar while stirring II. Add more sugar and heat the solution III. Grind the sugar to a powder; then add while stirring
A pure substance when it comes to chemistry is either an element or compound where as a mixture is a combination of either two or more substances. the test below is designed to help you figure out just how well you understood the...
Questions: 9 | Attempts: 5474 | Last updated: Feb 26, 2019
-
Sample QuestionWhich of these are NOT a correct part of Particle Theory. (Check all that you think applies)
Back to top